8125623782 has 4 divisors (see below), whose sum is σ = 12188435676. Its totient is φ = 4062811890.

The previous prime is 8125623757. The next prime is 8125623799. The reversal of 8125623782 is 2873265218.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031405944 + ... + 2031405947.

It is an arithmetic number, because the mean of its divisors is an integer number (3047108919).

Almost surely, 2^8125623782 is an apocalyptic number.

8125623782 is a deficient number, since it is larger than the sum of its proper divisors (4062811894).

8125623782 is a wasteful number, since it uses less digits than its factorization.

8125623782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062811893.

The product of its digits is 322560, while the sum is 44.

The square root of 8125623782 is about 90142.2419401692. The cubic root of 8125623782 is about 2010.4143252878.

The spelling of 8125623782 in words is "eight billion, one hundred twenty-five million, six hundred twenty-three thousand, seven hundred eighty-two".